<template>
	<view style="padding: 10px;">
		<view style="text-align: center;font-size: 20px;font-weight: 700;">{{article.title}}</view>
		<view style="text-align: right;font-size: 12px;font-weight: 700;margin-top: 5px;">发布日期:{{formatTime(article.push_time)}}</view>
		<view style="border: 1px solid #C0C4CC;width: 100%;margin: 10px 0;"></view>
		<view>
			<rich-text :nodes="article.content|formatRichText" style="overflow: hidden;"></rich-text>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				article:{},
				article_id:null,
			}
		},
		onLoad(e) {
			this.article_id=e.article_id
			this.get('crud/detail',{table:'article',table_id:this.article_id,}).then(({code,detail})=>{
				if(code===1){
					this.article=detail
					uni.setNavigationBarTitle({
						title:detail.title
					})
				}
			})
		},
		methods: {
			
		},
		filters: {
			/**
			 * 处理富文本里的图片宽度自适应
			 * 1.去掉img标签里的style、width、height属性
			 * 2.img标签添加style属性：max-width:100%;height:auto
			 * 3.修改所有style里的width属性为max-width:100%
			 * 4.去掉<br/>标签
			 * @param html
			 * @returns {void|string|*}
			 */
			formatRichText (html) { //控制小程序中图片大小
				let newContent='';
				if(html){
					newContent= html.replace(/<img[^>]*>/gi,function(match,capture){
						match = match.replace(/style="[^"]+"/gi, '').replace(/style='[^']+'/gi, '');
						match = match.replace(/width="[^"]+"/gi, '').replace(/width='[^']+'/gi, '');
						match = match.replace(/height="[^"]+"/gi, '').replace(/height='[^']+'/gi, '');
						return match;
					});
				}
				newContent = newContent.replace(/style="[^"]+"/gi,function(match,capture){
					match = match.replace(/width:[^;]+;/gi, 'max-width:100%;').replace(/width:[^;]+;/gi, 'max-width:100%;');
					return match;
				});
				newContent = newContent.replace(/<br[^>]*\/>/gi, '');
				newContent = newContent.replace(/\<img/gi, '<img style="max-width:100%;height:auto;display:inline-block;margin:10rpx auto;"');
				return newContent;
			}	
		}
	}
</script>

<style>

</style>
